ISL6526AIR

Frequency - Switching:	600kHz
Base Part Number:	ISL6526A
Supplier Device Package:	16-QFN-EP (5x5)
Package / Case:	16-VQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Phase Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	2.97 V ~ 3.63 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The ISL6526AIR is a DC/DC switching controller designed to be used in industrial, automotive, computing, and communications applications. It features an integrated, high-performance, low-loss buck converter that enables power regulation and efficiency optimization. The ISL6526AIR is optimized for applications with a wide input voltage range of 3V to 24V, allowing for maximum input voltage flexibility.

Features

The ISL6526AIR is designed to meet modern automotive, industrial, and computing power requirements. It has some impressive features including:• Low input voltage range of 3V-24V • Fully integrated synchronous buck switching controller • Integrated high-voltage MOSFET drivers • Up to 95% efficiency at full load • 4Aoperating current limit • Over-temperature protection and overload protection • Fast transient response and accurate current limiting • Small size and low power consumption

Applications

The ISL6526AIR is ideal for automotive, industrial, and computing power applications. It is suitable for powering small microcontrollers, FPGAs, programmable logic controllers (PLCs), embedded processors and DSPs. It can also be used in LED lighting, small form-factor DC/DC converters, powered amplifiers, and automotive applications.

Working Principle

The ISL6526AIR operates by using pulse width modulation (PWM) control techniques. PWM control techniques allow the converter to be regulated efficiently and accurately. The controller takes an input signal and then creates an output signal that is proportional to the input signal. For example, if the input voltage is 6V, the controller will generate a PWM signal that will regulate the output voltage to 6V.The ISL6526AIR is optimized for fast transient response and accurate current limiting. It is designed to be able to quickly respond to dynamic load changes and regulate the output voltage, even in high-frequency switching applications.

Conclusion

The ISL6526AIR is a high-performance, low-loss DC/DC switching controller designed for automotive, industrial, and computing power applications. It can handle up to 4A of current and has an input voltage range from 3V-24V. The controller’s integrated high-voltage MOSFET drivers, fast transient response, and accurate current limiting make it a great choice for efficient and reliable power regulation.

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